Amazon S3 on MSN

Test downtown GPS accuracy with the Garmin eTrex 30

Downtown GPS testing with Garmin eTrex 30 evaluates accuracy and usability. As Trump zeroes in on Greenland, Texas Sen. John ...
Fast Lane Only on MSN

Your speedometer is lying, but is GPS accuracy actually any better?

Modern cars surround drivers with digital certainty, yet one of the most basic numbers on the dashboard is quietly biased in ...